Window.



PATENTED APR. 3, 1906.

A. E. HULL.

WINDOW.

APPLIGATION FILED uuml. 1905.

NETE@ STATES .PATENT ARTHUR E. HULL, OF `CHlCAGlO, lLLINOlS, ASSIGNOR TO BENJAMIN S. MCULELLAN, OF CHCAGO, LLINIS.

entament.

Specification of Letters Patent.

Patented April 3, 1906.

Application ned nimh 31,1eo5. sami No. 253.142.

To if!! .'fftmn it: may coll/cern:

Be it known that l, Airrnun E. HULL, a citizen ol the ljnited States.

-esiding at Chicago, in the county of Cook an( State of lllinots, have invented a new and usel'ul lmi provemcnt 1n l'Vindows, of which the l'ollowing is a specification.

My invention relates to improvement in smooth surface which slides against the windows of the general class employing raisingl and lowering sashes.

Lily object is to provide a simple, inexpensive, and durable construction which will render the sashes easyY to raise and lower and cause them to be free from objectionable rattling and tobe weather and dust proof.

ln the drawii'igs, Figure 1 is a broken section taken on linel in Fig. 2 through the window-casing at one edge of the sash, and Fig. 2 a broken plan section taken on line 2 l: l.

Set into the jambs of the window-casing A at each edge ol" the sash B is a channel-strip of' suitable metal, formed with the side flanges o b and an intermediate longitudinally-extending rib c. Fastened upon each vertical edge of the sash B is a strip or shoe l), also of suitable metal, and provided with a lange d, overlapping the outer surface of the sash, and a flange e, forming a longitudinally-extending socket f. The strip or shoe D is also formed with a longitudinally-extending socket g, in which is@ fastened a weather-strip E. Journaled in the socket f, near the upper and lower ends of the sash, are antifrictioifrollerls h, and fastened against the rib c in position to be engaged by the rollers when the sash is closed are springs Bly principal object in providing a sash with the metal shoe or stri) D sliding in or against metal ja-mb-strip il is to overcome the danger of binding of the sash against the janib, which is a common fault incident to 'the constructions hitherto employed. The sticking or hindi'nj,f referred to is due to swell* ing of the sash and contracting of the Window-frame under changes in weather conditions. To avoid this annoyance, it has been the common practice to cause the sash to lit quite loosely in the jambe; hut this mode of construction, while avoiding sticking, permits the sashes to rattle under .the force of the wind and to admit dust and draft. The use ol" weather-strips against the outer or inner sides ol a sash to exclude drafts and the passmooth inner surface of the flange a. The weather-strip E at each edge ol the sash bears against the smooth inner surface oi' the adjacent flange l) when provided, and this construction permits the use of comparatively Wide flexible Weather-strips which will last for many years Without Wearing down to the extent ol' rendering them useless. Weatherstrips E ol rubber, felt, or the like soft material may be sullicicutly resilient to press the sash against the surfaces o with such force as to prevent material rattling ol" the sash when it is opened, While the engagement of the hearings or rollers t With the springs F will obviate all danger of rattling when the sash is closed.

The construction shown and described is adapted more especially vfor counterbalanced Windows, though when employed in Windows the sashes of which are not counterbalanced any suitable mechanism may be used in connection therewith to hold the sash when opened against closing.

The flange b of' the )amb-strip may, ifdesired, he dispensed with and the Weatherstrip be caused to slide against the baselsurf face of the channel-strip. The springs F and the bearings or rollers 7L may be mounted in any suitable manner to operate as described'. Should the sash B be constructed of metal, the shoes l) may be an inte ral part thereof.

Vthat l claim as new, an desire to secure by Letters Patent, is-

ln a Window, the con'ibination of a raising and lowering sash provided on its opposite vertical edges with longitudinallyeextendine metal slices, longitudinally-extending meta jamb-strips on the window -casing against which the said shoes tit and slide, and co erating bearings and springs between.v t e shoes and janib-strips engaging as the sash is closed to tess the sash against the jamb,

substantie ly as and for the purpose set forth.

ARTHU R E. HULL. ln presence of- J. H; LANDES, E. l. Rien.

IOO 

